Power Systems Which of the following transformer is used in sub station for operating a protective relay? distribution transformer auto transformer capacitor voltage transformer All of these distribution transformer auto transformer capacitor voltage transformer All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the rated receiving end voltage is 33 kV, then what are the limits for safe operation of equipments? 25 to 35 kV any voltage above 33 kV 31.35 to 34.65 kV 33 to 50 kV 25 to 35 kV any voltage above 33 kV 31.35 to 34.65 kV 33 to 50 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Operating cost of thermal power station is is the same as that of nuclear power plant. less than that of diesel power plant. less than that of nuclear power plant. less than that of hydroelectric power plant. is the same as that of nuclear power plant. less than that of diesel power plant. less than that of nuclear power plant. less than that of hydroelectric power plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the conductor diameter decreases, inductance of the line, decreases remains unaffected increases None of these decreases remains unaffected increases None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Lightning arresters are made up of which material? silver any of the above silicon oxide copper silver any of the above silicon oxide copper ANSWER DOWNLOAD EXAMIANS APP
Power Systems Range of accelerating factor is 1.6 to 1.8 50 to 100 1 to 10 10.8 to 11.2 1.6 to 1.8 50 to 100 1 to 10 10.8 to 11.2 ANSWER DOWNLOAD EXAMIANS APP
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